Latch



(No Model.)

H. C. DOUGHTY 81s D. HALL.

LATCH. No. 281.036. Patented July 10, 1883.

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and DANIEL HALL, respectively of GrayY and able guideway, and 4is provided in its opposite UNrTED 'STATES C. DOUGHTY, OF GRAY, AND

PATENT OFFICE.

DANIEL HALL, 0F AUBURN, MAINE.

LATCH.

SPECIFICATION forming part of Letters Patent No. 281,036, dated July 10, 1883.

Application iilcd January 1G, 1883. (No inodel.)

To @ZZ whom it may concern:

Be it known that we, HENRY C. DOUGHTY Auburn, in the counties of Cumberland and Androscoggin and State of Maine, have .in-

vented certain new and useful Improvements in Door and Gate Latches or Bolts, of whichv the following is a full, clear, and exact ldescription.

In this improved door or gate latch or bolt the latch or bolt is arranged to slide ina suitsides with a handle, each of which handles carries two friction-rollers arranged to travel upon suitable bearing-surfaces in the slide of the latch or bolt, allsubstantially as hereinafter described.

In the accompanying plate of drawings, Figure l-is a front elevation of a door and the frame of a door-opening, showing my improved gate-latch. Fig. 2 is a cross-section on line 2 2, Fig. 1. Fig. 8 isasection on line 3 3, Fig. l.

In the drawings, A represents the frame oi' a door-opening, and B a door hung upon hinges a, and all as usual for opening and closingthe door-opening by the swing of the door upon the hinges.

b is a latch-bolt arranged to slide freely forward and backward through a guideway or casing, C, and provided with a coiled spring, d, properly confined, to throw the bolt out and enga-geit with the recess or cavity f in one side g of the `ianibD of the door-opening when the door is closed, and to allow thebolt to be re tracted to disengage it from said recess f for the door to be opened.

E is a handle upon each side of the bolt I),

connected together by abar, F, passingth rough the bolt and its casing C, which latter is slotside of the central line through the bar F, and

each pair of these rollers has a bearing upon surfaces H of the door, or other suitable part, which surfaces are parallel to each other and to the sliding frame of the bolt b, said surfaces having raised edges Z for the guiding of the rollers in their movement. the bolt the pairs of rollers G secure ease and steadiness of movement thereto, all as is obvious.

An ordinary bolt may be used instead of a latch-bolt, and the invention is applicable to gate latches or bolts aswell as door latches or bolts; and, again, the spring d for operating the bolt in one direction may be dispensed with, and one of the rollers on each side can be dispensed with, if desired, preferably Vthe one nearest the outer end of the latch, but it is preferable to have both rollers on each side, as is obvious.

Having thus described our invention, what We claim, and desire to secure by Letters Patent, is-

A sliding bolt, b, and its guideway C, in conibination with a handle, E, on each side oi' the bolt, and each handle provided With afriction roller orv rollers, G, substantially as described, for the purpose specified.

In testimony whereof we have hereunto set our hands in the presence of two subscribing witnesses.

HENRY C. DOUGHTY. DAXIEL` HALL. vWitnesses:

EMERY Oscoop, Giras. F. Grens.

In' the working of 

